20787401568

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{13331}}^1$

素因数の和:13820

約数の個数: 96

約数和(自身を含む): 56173582080

約数和(自身を除く): 35386180512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 439, 444, 592, 878, 888, 1184, 1317, 1756, 1776, 2634, 3512, 3552, 5268, 7024, 10536, 13331, 14048, 16243, 21072, 26662, 32486, 39993, 42144, 48729, 53324, 64972, 79986, 97458, 106648, 129944, 159972, 194916, 213296, 259888, 319944, 389832, 426592, 493247, 519776, 639888, 779664, 986494, 1279776, 1479741, 1559328, 1972988, 2959482, 3945976, 5852309, 5918964, 7891952, 11704618, 11837928, 15783904, 17556927, 23409236, 23675856, 35113854, 46818472, 47351712, 70227708, 93636944, 140455416, 187273888, 216535433, 280910832, 433070866, 561821664, 649606299, 866141732, 1299212598, 1732283464, 2598425196, 3464566928, 5196850392, 6929133856, 10393700784, 20787401568]

約数ペア:

[(1, 20787401568), (2, 10393700784), (3, 6929133856), (4, 5196850392), (6, 3464566928), (8, 2598425196), (12, 1732283464), (16, 1299212598), (24, 866141732), (32, 649606299), (37, 561821664), (48, 433070866), (74, 280910832), (96, 216535433), (111, 187273888), (148, 140455416), (222, 93636944), (296, 70227708), (439, 47351712), (444, 46818472), (592, 35113854), (878, 23675856), (888, 23409236), (1184, 17556927), (1317, 15783904), (1756, 11837928), (1776, 11704618), (2634, 7891952), (3512, 5918964), (3552, 5852309), (5268, 3945976), (7024, 2959482), (10536, 1972988), (13331, 1559328), (14048, 1479741), (16243, 1279776), (21072, 986494), (26662, 779664), (32486, 639888), (39993, 519776), (42144, 493247), (48729, 426592), (53324, 389832), (64972, 319944), (79986, 259888), (97458, 213296), (106648, 194916), (129944, 159972)]